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Byju's Answer
Standard VI
Mathematics
Equal Sets
Select the co...
Question
Select the correct prime factorization of 54.
A
3 × 18
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B
2 × 27
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C
2 × 3 × 3 × 3
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D
6 × 9
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Solution
The correct option is
C
2 × 3 × 3 × 3
Let's solve this using factor tree method
Factors of 54 by prime factorization are given by the following steps.
Step 1
:
Write the pair of factors, which on multiplication gives the required number.
54 = 2 × 27
Step 2:
See the factors, whether each one of them is prime or not.
27 is not a prime number
and can be dissociated as a product of 3 by 9.
9 is not a prime number
and can be dissociated as a product of 3 and 3.
Step 3
:
As per the criteria, 54 can be written as 54 = 2 × 27
= 2 × 3 × 9
= 2 × 3 × 3 × 3.
So, prime the factorization of 54
= 2 × 3 × 3 × 3.
=
2
×
3
3
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